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单词	defectoscope
释义	defectoscope noun de·​fec·​to·​scope də̇ˈfektəˌskōp, dēˈ- plural -s : an instrument for detecting structural defects (as in a railroad rail) Word History Etymology defect entry 1 + -o- + -scope
随便看	JMT Jn jnana jnana-marga jnana-yoga jnanas jnani jnc JND jnl jnlst jno jnr jnres jnrs jnt jo Jo block jo national monument jo-darter jo-jotte Joachim Joachimite Joachism Joan

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